ntdsutil - perform database maintenance of AD DS, manage and control single master operations, and remove metadata left behind by domain controllers that were removed from the network without being properly uninstalled

What is AD 100% dependent on?

DNS

Organizational units

Units for organizing SPO's

What does AD start by creating.

A local domain name

What 2 types of local domain names do you not want to use for AD

any TLD's (.com .net .org)

.local

AD forest

A group of domain that you have living in a security realm

AD Tree

A group of domains that have a continues name space

Command line tool that runs the AD installer

dcpromo

2 functional level types of AD

Forest Functional Level - The minimum OS level to become a DC in a given forest

Domain Functional Level - The minimum OS level required for the server to become a DC in a given domain

RODC

A domain controller that cannot make any changes to the domain

5 FSMO roles

PDC Emulator

Infrastructure Master

RID Master

Domain Naming Master

Schema Master

Roles of a PDC Emulator

(Domain Level Role)

Most used and important role

Authortave time source for the domain

Processes password changes

Final Authority on passwords

PDC replicates out of the forest

Infrastructure Master

(Domain Level Role)

Contains a complete list of all domain objects and all of their properties

Responsible for cross domain refrences

Should not be placed in a Global Catalog Server unless all DCs are GCS's

RID Master

(Domain Level Role)

Creates and owns the master RID pool

When the DC runs out of assigned RIDS they query the RID master for additional RIDS

Domain Naming Master

(Forest Level Role)

Responsible for maintaining the domain names in an AD forest

Prevents the addition / creation of new domains with identical names to existing domains

Schema Master

(Forest Level Role)

Maintains the AD forest schema, determining what objects and data can be created and / or specified in a forest

command line tool for checking what fsmo roles locations

netdom query fsmo

AD sites

A mapping of physical locations to subnets

Bridge Head Servers

In charge of replication between AD servers

Cost

A varied to for how often replication occurs

AD Replication tool

replmon

repadmin

Global Catalog Server

Contains most commonly used items for AD, Incomplete list, used for quick reference